<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>

		<!-- 卡片 -->
		<el-card class="box-card">
			<!-- 添加商品按钮 -->
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="goodsList">
						<el-button slot="append" icon="el-icon-search" @click="goodsList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4"><el-button type="primary" @click="goAddpage">添加商品</el-button></el-col>
			</el-row>

			<!-- table表格区域 -->
			<el-table :data="goodslist" style="width: 100%" border stripe>
				<el-table-column type="index"></el-table-column>
				<el-table-column prop="goods_name" label="商品名称"></el-table-column>
				<el-table-column prop="goods_price" label="商品价格(元)" width="110px"></el-table-column>
				<el-table-column prop="goods_weight" label="商品重量" width="80px"></el-table-column>
				<el-table-column prop="add_time" label="创建时间" width="160px">
					<template slot-scope="scope">
						{{ scope.row.add_time | dataFormat }}
					</template>
				</el-table-column>
				<el-table-column label="操作" width="130px">
					<template slot-scope="scope">
						<el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
						<el-button type="danger" size="mini" icon="el-icon-delete" @click="remove(scope.row.goods_id)"></el-button>
					</template>
				</el-table-column>
			</el-table>

			<!-- 分页区域 -->
			<el-pagination
				@size-change="handleSizeChange"
				@current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum"
				:page-sizes="[3, 5, 10, 15]"
				:page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper"
				:total="total"
				background
			></el-pagination>
		</el-card>
	</div>
</template>

<script>
export default {
	name: 'goodsList',
	data() {
		return {
			//查询参数对象
			queryInfo: {
				query: '',
				pagenum: 1,
				pagesize: 10
			},
			//商品列表
			goodslist: [],
			//总数据条数
			total: 0
		};
	},
	created() {
		this.goodsList();
	},
	methods: {
		async goodsList() {
			const { data: res } = await this.$http.get(`goods`, { params: this.queryInfo });
			if (res.meta.status !== 200) {
				return this.$message.error('获取参数信息失败');
			}
			// this.$message.success('获取参数信息成功');
			console.log(res.data);
			this.goodslist = res.data.goods;
			this.total = res.data.total;
		},
		
		// 每页多少条数据
		handleSizeChange(newSize){
			this.queryInfo.pagesize = newSize
			this.goodsList()
		},
		//当前页
		handleCurrentChange(newNum){
			this.queryInfo.pagenum = newNum
			this.goodsList()
		},
		//删除商品
		async remove(id){
			const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			}).catch(err => err);
			//如果用户确认删除，则返回值为字符串 confirm
			//如果用户取消了删除，则返回值为字符串 cancel
			// console.log(confirmResult)
			if (confirmResult !== 'confirm') {
				return this.$message.info('已取消删除！');
			}
			
			//调用删除接口，删除商品
			const { data:res } = await this.$http.delete(`goods/${id}`)
			if(res.meta.status !== 200) return this.$message.error("删除商品失败，请重试!")
			this.$message.success("删除商品成功！！！")
			this.goodsList()
		},
		//添加商品
		goAddpage(){
			this.$router.push('/goods/add')
		}
		
		
	}
};
</script>

<style scoped="scoped" lang="less">
	.el-pagination{
		margin-top: 20px;
		
	}
	
</style>
